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Are vashegyite and kingite hydrous aluminum phyllophosphates with kaolinite-type structures ?

Published online by Cambridge University Press:  05 July 2018

Duncan McConnell
Duncan McConnell*
Affiliation:
The Ohio State University, Columbus, Ohio 432IO, U.S.A.
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Summary

In contrast with some other hydrous aluminum phosphates, vashegyite is crystalline. Simultaneous application of several assumptions leads to the hypothesis that it has a structure analogous to that of kaolinite, and thus contains tetrahedral sheets, n[X2O5], where X is both P and H3 (in lieu of Si). Thus, the theory involving [HXO4] is extended from phosphates with isolated tetrahedral groups [XO4] and framework linkages [XO2] to sheet linkages [X2O5]. Kingite also may have a kaolinite-like structure.

Type
Research Article
Information
Mineralogical Magazine , Volume 39 , Issue 307 , September 1974 , pp. 802 - 806
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1974

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